import logging
from redis import StrictRedis


class Config(object):
    """项目的配置"""

    SECRET_KEY = "iECgbYWReMNxkRprrzMo5KAQYnb2UeZ3bwvReTSt+VSESW0OB8zbglT+6rEcDW9X"
    #为数据库添加配置
    SQLALCHEMY_DATABASE_URI = "mysql://root:mysql@127.0.0.1:3306/flask678"
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 在请求结束时，如果制定配置为 True,那么SQLchemy 会自动执行一次db.session.commit()操作
    SQLCHEMY_COMMIT_ON_TEARDOWN = True

    #Redis的配置
    REDIS_HOST = "127.0.0.1"
    REDIS_PORT = 6379

    #Session保存设置
    SESSION_TYPE = "redis"
    #开启session签名
    SESSION_SIGNER = True
    #指定Session 保存的redis
    SESSION_REDIS = StrictRedis(host=REDIS_HOST,port=REDIS_PORT)
    #设置需要过期
    SESSION_PERMANENT = False
    #设置过期时间
    PERMANENT_SESSION_LIFETIME = 86400 * 2

    #设置日志等级
    LOG_LEVEL = logging.DEBUG


class DevelopmentConfig(Config):
    """开发环境下的配置"""
    DEBUG = True

class ProductionConfig(Config):
    """生产环境下的配置"""
    DEBUG = False
    LOG_LEVEL = logging.WARNING

class TestingConfig(Config):
    """单元测试环境下的配置"""
    DEBUG = True
    TESTING = True

config = {
    "development":DevelopmentConfig,
    "production":ProductionConfig,
    "testing":TestingConfig
}